Semi-submersible rigs and platforms

Semi-submersible rigs and platforms

Sealing systems designed for the world’s most demanding offshore environments. Semi-submersible rigs operate in some of the harshest conditions in the energy industry – exposed to constant movement, saltwater, pressure and extreme weather. CSD’s sealing systems are trusted globally to protect these critical offshore assets, providing long-term defence against fire, water, gas, smoke and electromagnetic pulse (EMP).

Designed for semi-submersible rig and platform demands

Our solutions are engineered to maintain compartment integrity and prevent the spread of hazards between zones, even under dynamic load or vibration. Whether for new-build platforms or life-extension projects, CSD systems deliver certified, maintenance-free performance.
Our Case Studies

Up to 4 hours fire resistance (A-0 to A-60 rated) for full compartment safety

Watertight and gastight integrity tested to 10 bar pressure

Vibration- and corrosion-resistant construction for offshore conditions

Maintenance-free and re-enterable for future upgrades and inspections

Certified protection against fire, water, gas, smoke and EMP

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Applications on semi-submersible rigs & platforms

Some of the elements of your semi-submersible rigs and platforms that CSD Sealing Systems can protect with our world leading solutions:

  • Cable and pipe penetrations in drilling, production and control modules
  • Watertight and fire-rated sealing in hulls, decks and bulkheads
  • EMP and EMC protection for communication, control and navigation systems
  • Flood defence and environmental sealing in lower and submerged compartments
  • Retrofitted sealing for maintenance, refit and life-extension projects
  • Protection for electrical, instrumentation and hydraulic service routes
Oil drilling platform moving at sea

Let’s protect your offshore assets together

Reach out to discuss tailored sealing strategies for your offshore project.

Oil drilling platform out at sea
“The service provided by CSD was excellent in all aspects. The installation crew were skilled, hard-working and resourceful and also integrated well with our own men who supported then with the external duct sealing.”

Project Manager

UK Onshore Wind Farm